Home / 873,064.49-1,310,198.03-304,449.89

Finding the Fourth Proportional to 873,064.49, 1,310,198.03 and 304,449.89

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Solution

The fourth proportional to 873,064.49, 1,310,198.03 and 304,449.89 is: 456,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,064.49 : 1,310,198.03 = 304,449.89 : x
  2. Step 2: Convert to fraction form
    873,064.49/1,310,198.03 = 304,449.89/x
  3. Step 3: Cross multiply
    873,064.49x = 1,310,198.03 × 304,449.89
  4. Step 4: Simplify right side
    873,064.49x = 398,889,646,111.72
  5. Step 5: Solve for x
    x = 398,889,646,111.72/873,064.49
  6. Step 6: Final answer
    x = 456,884.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.